package cn.iocoder.springboot.lab12.mybatis.mapper;

import org.apache.ibatis.annotations.MapKey;
import org.springframework.stereotype.Repository;

import java.util.List;
import java.util.Map;

@Repository
public interface ProMapper {

    @MapKey(value = "a")
    List<Map<String,String>> selectWithinGroup();

    void iop(Map<String,Object> params);
}
